dlglogin.cpp

实现一个图书馆管理系统

// DlgLogin.cpp : implementation file
//

#include "stdafx.h"
#include "library.h"
#include "DlgLogin.h"
#include "UserSet.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDlgLogin dialog
extern CDatabase db;
int bIsAdmin=0;
CString CurUser;
CString CurPsw;

CDlgLogin::CDlgLogin(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgLogin::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgLogin)
	m_user = _T("");
	m_psw = _T("");
	//}}AFX_DATA_INIT
}


void CDlgLogin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgLogin)
	DDX_Text(pDX, IDC_USER, m_user);
	DDX_Text(pDX, IDC_PSW, m_psw);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgLogin, CDialog)
	//{{AFX_MSG_MAP(CDlgLogin)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgLogin message handlers

void CDlgLogin::OnOK() 
{
	// TODO: Add extra validation here
	//CUserSet *user=new CUserSet(&db);
	CUserSet user;
	user.m_pDatabase=&db;
	UpdateData();
	if(!user.Open())
		MessageBox("打开纪录出错！");
	user.m_strFilter="UserID='"+m_user+"'";
	user.Requery();
	if(!user.IsBOF() && !user.IsEOF())
	{
		user.m_Password.TrimRight();
		if(user.m_Password==m_psw)
		{
			CurUser=user.m_UserID;
			CurUser.TrimRight();
			CurPsw=user.m_Password;
			CurPsw.TrimRight();
			bIsAdmin=user.m_Authority;
			CDialog::OnOK();
		}
		else
		{
			MessageBox("用户名或密码错误！");
		}
	}
	else
	{
			MessageBox("用户名或密码错误！");
	}
	user.Close();
}